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Finding the Fourth Proportional to 329,892.15, 494,838.23 and 251,160.15

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Solution

The fourth proportional to 329,892.15, 494,838.23 and 251,160.15 is: 376,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,892.15 : 494,838.23 = 251,160.15 : x
  2. Step 2: Convert to fraction form
    329,892.15/494,838.23 = 251,160.15/x
  3. Step 3: Cross multiply
    329,892.15x = 494,838.23 × 251,160.15
  4. Step 4: Simplify right side
    329,892.15x = 124,283,642,816.73
  5. Step 5: Solve for x
    x = 124,283,642,816.73/329,892.15
  6. Step 6: Final answer
    x = 376,740.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.